Home / 531,117.30-732,941.95-289,399.94

Finding the Fourth Proportional to 531,117.30, 732,941.95 and 289,399.94

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Solution

The fourth proportional to 531,117.30, 732,941.95 and 289,399.94 is: 399,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,117.30 : 732,941.95 = 289,399.94 : x
  2. Step 2: Convert to fraction form
    531,117.30/732,941.95 = 289,399.94/x
  3. Step 3: Cross multiply
    531,117.30x = 732,941.95 × 289,399.94
  4. Step 4: Simplify right side
    531,117.30x = 212,113,352,688.77
  5. Step 5: Solve for x
    x = 212,113,352,688.77/531,117.30
  6. Step 6: Final answer
    x = 399,371.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.